Records of the Geological Survey of India, Volume 119, Part 1government of India., 1989 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 12
... veins , petrographic studies of host rocks and mineragraphic studies of the basemetal mineralisation . The mineralisation is polymetallic ; comprising chalco- pyrite , sphalerite , galena , pyrite , pyrrhotite , magnetite and ...
... veins , petrographic studies of host rocks and mineragraphic studies of the basemetal mineralisation . The mineralisation is polymetallic ; comprising chalco- pyrite , sphalerite , galena , pyrite , pyrrhotite , magnetite and ...
Page 160
... veins crisscross all the litho - units mentioned above . These veins are generally very thin , the average thickness is about half a metre and the strike length ranges up to 50 metres . They are essentially made up of quartz and in ...
... veins crisscross all the litho - units mentioned above . These veins are generally very thin , the average thickness is about half a metre and the strike length ranges up to 50 metres . They are essentially made up of quartz and in ...
Page 263
... veins are abundant in and around Maruda area . They are of much significance from the point of view of gold mineralisation . Two types of veins are seen ; one seen as bouldery outcrops with width varying between 2 to 7 metres , while ...
... veins are abundant in and around Maruda area . They are of much significance from the point of view of gold mineralisation . Two types of veins are seen ; one seen as bouldery outcrops with width varying between 2 to 7 metres , while ...
Contents
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 32 |
RESEARCH AND DEVELOPMENT DIVISION | 41 |
MAP COMPILATION PUBLICATION AND INFORMATION DIVISION | 48 |
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amphibolite analysis Andhra Pradesh anomaly Asstt bands Banerjee basalt basin bed rock belt Bijawar biotite block boreholes Calcutta Chakraborty charnockite chemical clay coal comprising covered Deccan Trap deposits depth dips Director district DIVISION Headquarters Divn dolomite dykes exploration exposed field season folds Formation fossils geochemical geological mapping Geologist Jr Geology Division geophysical geotechnical investigation Ghosh gneiss Gondwana grade granite gneiss grey Gupta Hyderabad indicated Jaipur Kumar Laboratory limestone line km located logging Lucknow magnetic mica schist million tonnes mineral mineralisation Mishra Mukherjee Nagpur occurs pegmatites phyllite power house Pradesh quartz quartz veins quartzite Quaternary Rajasthan Regional river rock types S.T.A. Geology S/Shri sand sandstone scale schist seams sediments shale Sharma shear zone sheets Shillong Shri siltstone Singh spillway sq km sq km area Srivastava strike length studies sulphide surface surveys thickness tion traverses trench trending tunnel